[1] Taipei Veterans General Hospital,Division of Gastroenterology, Department of Medicine
[2] National Yang-Ming University,Faculty of Medicine, School of Medicine
[3] Taipei Veterans General Hospital,Division of General Surgery, Department of Surgery
[4] National Yang-Ming University,Institute of Clinical Medicine, School of Medicine and Cancer Research Center
[5] Cheng Hsin General Hospital,Division of Gastroenterology, Department of Medicine
[6] Taipei Veterans General Hospital,Department of Pathology and Laboratory Medicine
[7] Taipei Veterans General Hospital,Division of Translational Research, Department of Medical Research